weaken
verb (used with object)
has been weakening
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present perfect progressiveof weaken (3rd person singular).present perfect progressive
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Japanese yen has been weakening continually since 2021, and is now hovering near historic 40-year lows.
From BBC ● Jun. 22, 2026
What has been happening is that oil demand has been weakening in response to higher prices, inflation pressure and economic disruption, said Kessens at Tortoise Capital.
From MarketWatch ● May 13, 2026
A massive system of ocean currents in the Atlantic that plays a key role in regulating Earth's climate has been weakening for almost 20 years, according to a new study.
From Science Daily ● May 10, 2026
While energy supply shocks could raise prices for goods and services in related sectors, flight-to-safety demand for the dollar sparked by the conflict has been weakening the yen, further threatening to accelerate inflation.
From The Wall Street Journal ● Apr. 28, 2026
After several years of strong gains across many types of P&C insurance, pricing has been weakening in many business lines, including property coverage.
From Barron's ● Dec. 13, 2025
